In this June 12, 2012 file photo, former President George H.W. Bush and his wife, Barbara, arrive for the premiere of HBO&#039;s new documentary about his life in Kennebunkport, Maine. On Wednesday, a spokesman for the former president says the 88-year-old is alert and talking to medical staff after being admitted to the intensive care unit at a Houston hospital. Bush has been hospitalized since Nov. 23, when he was admitted for a lingering cough related to bronchitis and &quot;remains in guarded condition.&quot;